CN206093151U - High -efficient shifting fork type pneumatic actuator - Google Patents
High -efficient shifting fork type pneumatic actuator Download PDFInfo
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- CN206093151U CN206093151U CN201620720664.XU CN201620720664U CN206093151U CN 206093151 U CN206093151 U CN 206093151U CN 201620720664 U CN201620720664 U CN 201620720664U CN 206093151 U CN206093151 U CN 206093151U
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- shift fork
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Abstract
The utility model discloses a high -efficient shifting fork type pneumatic actuator, its cylindrical chamber body seal installation in one side of box, spring cavity installs in the opposite side of box, is provided with rotatory drum in the box, and front end, the rear end of this rotatory drum imbed box front bezel, back plate respectively separately in the through -hole, shift fork and back shift fork before rotatory drum outside surface is provided with along the axial around, the cylindrical chamber body further include circular shell body, seal installation in left end lid, the right -hand member lid of circular shell body both sides, be located circular shell body's annular piston board, it is fixed through 3 piece at least double -screw bolt poles between left end lid, the right -hand member lid, spring cavity further includes cylinder casing, spring, spring beam and spring guide block, the end cover is installed with the one end that the box was carried on the back mutually to the cylinder casing. The utility model discloses satisfy the needs of big moment of torsion transmission, messenger's piston rod and fork assembly motion are reliable, transmission efficiency improves, under the condition that does not increase shift fork arm of force length, realize the output of big moment of torsion.
Description
Technical field
This utility model is related to a kind of efficient shift fork type pneumatic actuator, belongs to valve field.
Background technology
Shift fork type pneumatic actuator, is a kind of journey piston actuator, is suitable for the valve of 90 ° of corners（Such as ball valve, butterfly
Valve, plug valve）Switch cutoff or measure control.The drive mechanism of pneumatic actuator has two kinds of pinion and-rack and fork type,
Shift fork type pneumatic actuator is for linear motion by piston rod and drives shift fork to rotate, and then drives main shaft or valve rod
Rotate.Shift fork type pneumatic actuator of the prior art mainly includes cylinder part and shift fork drive disk assembly, and cylinder part includes
Cylinder, cylinder head, piston and piston rod, shift fork drive disk assembly include that pull-fork assembly, main shaft and casing, main shaft and pull-fork assembly set
Put in casing, main shaft and body pivot connect, and pull-fork assembly is connected with piston rod.But existing fork type is pneumatic to be held
Row device is relatively elaborate when adjusting manually, operation inconvenience.
The content of the invention
This utility model purpose is to provide a kind of efficient shift fork type pneumatic actuator, and the efficient shift fork type pneumatic actuator has
Accurate switching between opening and closing beneficial to control, it is to avoid close and open insufficient situation, decrease part
Between wear-resisting loss, extend actuator service life.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：A kind of efficient shift fork type pneumatic actuator, bag
Casing, cylinder cavity and spring cavity are included, the cylinder cavity is seal-installed on the side of casing, and the spring cavity is installed on
The opposite side of casing, is provided with rotor in the casing, the front end of this rotor, rear end be respectively embedded into cabinet front plate,
Each in through hole, the rotor outer surface is provided with front shift fork and rear shift fork before and after vertically to back plate, and a connecting rod is passed through
Wear guide pad and connecting rod two ends be respectively embedded in the front shift fork and the respective guide groove of rear shift fork, this connecting rod and front shift fork and
The respective guide groove of shift fork is connected by a guide copper sleeve that can be rotated around connecting rod afterwards, and a slide bar is in left-right direction through guiding
Block is simultaneously installed on casing, and the rear shift fork both sides are symmetrically provided with left hand projection portion, right side lobe, this left hand projection
Portion, right side lobe each upper surface be in 90 °, be provided with the casing respectively with left hand projection portion, right side raised portion fits
Left block, right block, when after shift fork be in first state when, left hand projection portion is contacted with left block, when after shift fork be in
When the second state, right side lobe is contacted with right block；
The cylinder cavity further include circular shell, the left end cap for being seal-installed on circular shell both sides, right end cap,
Circular piston plate in circular shell, is fixed by least 3 stud bars between the left end cap, right end cap, the circle
Air inlet is provided with shape housing, a piston rod one end is fixed on circular piston plate, in the embedded casing of the piston rod other end simultaneously
It is connected with guide pad；
The spring cavity further includes cylindrical shell, spring, spring lever and spring guide block, the cylindrical shell
One end opposite with casing is provided with end cap, and the spring is located in circular cylindrical shell body, and this spring one end is contacted with end cap, another
End is provided with the spring guide block, and this spring guide block one end opposite with spring is connected to described spring lever one end, this spring lever
It is connected in the embedded casing of the other end and with guide pad, this guide pad is located between spring lever and piston rod.
In above-mentioned technical proposal, further improved scheme is as follows：
1., in such scheme, the rotor is connected by copper sheathing ring with casing.
2., in such scheme, the stud bar number is 4, is circumferentially arranged at equal intervals.
3., in such scheme, the guide copper sleeve is square guide copper sleeve.
4., in such scheme, the slide bar outer surface is set with a horizontal copper sleeve.
As above-mentioned technical proposal is used, this utility model has following advantages and effect compared with prior art：
The efficient shift fork type pneumatic actuator of this utility model, thereafter shift fork both sides be symmetrically provided with left hand projection portion, the right side
Side lobe, each upper surface is in 90 ° for this left hand projection portion, right side lobe, is provided with convex with left side respectively in the casing
Play portion, the left block of right side raised portion fits, right block, when after shift fork be in first state when, left hand projection portion and left gear
Block contact, when after shift fork be in the second state when, right side lobe is contacted with right block；Be conducive to controlling what is opened and closed
Between accurate switching, it is to avoid close and open insufficient situation, decrease the wear-resisting loss between part, extend
Actuator service life；Secondly, connecting rod can be rotated around connecting rod by one with front shift fork and the respective guide groove of rear shift fork
Guide copper sleeve connection, rotor is connected by copper sheathing ring with casing, and slide bar outer surface is set with a horizontal copper sleeve, satisfaction
The needs of high pulling torque transmission, improve piston rod and pull-fork assembly motion reliability, transmission efficiency, are not increasing shift fork torque arm length
In the case of, realize the output of high pulling torque.
2. the efficient shift fork type pneumatic actuator of this utility model, thereafter shift fork both sides be symmetrically provided with left hand projection portion,
Right side lobe, this left hand projection portion, right side lobe each upper surface be in 90 °, be provided with the casing respectively with left side
Lobe, the left block of right side raised portion fits, right block, when after shift fork be in first state when, left hand projection portion with it is left
Block contact, when after shift fork be in the second state when, right side lobe is contacted with right block.
Description of the drawings
Accompanying drawing 1 is the efficient shift fork type pneumatic actuator structural representation of this utility model；
Accompanying drawing 2 is the efficient shift fork type pneumatic actuator partial structural diagram of this utility model one；
Accompanying drawing 3 is the efficient shift fork type pneumatic actuator partial structural diagram of this utility model two；
Accompanying drawing 4 is the efficient shift fork type pneumatic actuator partial structural diagram of this utility model three；
Accompanying drawing 5 is the efficient shift fork type pneumatic actuator partial structural diagram of this utility model four；
Accompanying drawing 6 is the efficient shift fork type pneumatic actuator partial structural diagram of this utility model five.
In the figures above：1st, casing；2nd, cylinder cavity；3rd, spring cavity；4th, rotor；5th, front shift fork；6th, rear shift fork；
7th, connecting rod；8th, guide pad；9th, guide groove；10th, guide copper sleeve；11st, slide bar；12nd, circular shell；13rd, left end cap；14th, right end cap；
15th, circular piston plate；16th, stud bar；17th, piston rod；18th, copper sheathing ring；191st, left hand projection portion；192nd, right side lobe；
201st, left block；202nd, right block；21st, horizontal copper sleeve；31st, cylindrical shell；32nd, spring；33rd, spring lever；34th, spring is led
Block；35th, end cap.
Specific embodiment
This utility model is further described with reference to embodiment：
Embodiment 1：A kind of efficient shift fork type pneumatic actuator, including casing 1, cylinder cavity 2 and spring cavity 3, it is described
Cylinder cavity 2 is seal-installed on the side of casing 1, and the spring cavity 3 is installed on the opposite side of casing 1, sets in the casing 1
Rotor 4 is equipped with, the front end of this rotor 4, rear end are respectively embedded into 1 header board of casing, back plate each in through hole, the rotation
4 outer surface of cylinder is provided with front shift fork 5 and rear shift fork 6 before and after vertically, a connecting rod 7 runs through 7 liang of guide pad 8 and connecting rod
End is respectively embedded in 6 respective guide groove 9 of the front shift fork 5 and rear shift fork, and this connecting rod 7 is respective with front shift fork 5 and rear shift fork 6
Guide groove 9 can connect around the guide copper sleeve 10 of the rotation of connecting rod 7 by one, and a slide bar 11 runs through guide pad 8 simultaneously in left-right direction
It is installed on casing 1,6 both sides of rear shift fork are symmetrically provided with left hand projection portion 191, right side lobe 192, convex on the left of this
Rise portion 191,192 respective upper surface of right side lobe be in be provided with 90 °, the casing 1 respectively with left hand projection portion 191, right
Side lobe 192 coordinate left block 201, right block 202, when after shift fork 6 be in first state when, left hand projection portion 191
Contact with left block 201, when after shift fork 6 be in the second state when, right side lobe 192 is contacted with right block 202；
The cylinder cavity 2 further include circular shell 12, the left end cap 13 for being seal-installed on 12 both sides of circular shell,
Right end cap 14, the circular piston plate 15 in circular shell 12, pass through at least 3 between the left end cap 13, right end cap 14
Stud bar 16 is fixed, and air inlet is provided with the circular shell 12, and 17 one end of a piston rod is fixed on circular piston plate 15,
The embedded casing 1 of 17 other end of piston rod is interior and is connected with guide pad 8；
The spring cavity 3 further includes cylindrical shell 31, spring 32, spring lever 33 and spring guide block 34, described
The one end opposite with casing 1 of cylindrical shell 31 is provided with end cap 35, and the spring 32 is located in cylindrical shell 31, this spring
32 one end are contacted with end cap 35, and the other end is provided with the spring guide block 34, this spring guide block 34 one end opposite with spring 32
33 one end of the spring lever is connected to, the embedded casing 1 of this 33 other end of spring lever is interior and is connected with guide pad 8, this guide pad 8
Between spring lever 33 and piston rod 17.
Above-mentioned rotor 4 is connected by copper sheathing ring 18 with casing 1.
11 outer surface of above-mentioned slide bar is set with a horizontal copper sleeve 21.
Embodiment 2：A kind of efficient shift fork type pneumatic actuator, including casing 1, cylinder cavity 2 and spring cavity 3, it is described
Cylinder cavity 2 is seal-installed on the side of casing 1, and the spring cavity 3 is installed on the opposite side of casing 1, sets in the casing 1
Rotor 4 is equipped with, the front end of this rotor 4, rear end are respectively embedded into 1 header board of casing, back plate each in through hole, the rotation
4 outer surface of cylinder is provided with front shift fork 5 and rear shift fork 6 before and after vertically, a connecting rod 7 runs through 7 liang of guide pad 8 and connecting rod
End is respectively embedded in 6 respective guide groove 9 of the front shift fork 5 and rear shift fork, and this connecting rod 7 is respective with front shift fork 5 and rear shift fork 6
Guide groove 9 can connect around the guide copper sleeve 10 of the rotation of connecting rod 7 by one, and a slide bar 11 runs through guide pad 8 simultaneously in left-right direction
It is installed on casing 1,6 both sides of rear shift fork are symmetrically provided with left hand projection portion 191, right side lobe 192, convex on the left of this
Rise portion 191,192 respective upper surface of right side lobe be in be provided with 90 °, the casing 1 respectively with left hand projection portion 191, right
Side lobe 192 coordinate left block 201, right block 202, when after shift fork 6 be in first state when, left hand projection portion 191
Contact with left block 201, when after shift fork 6 be in the second state when, right side lobe 192 is contacted with right block 202；
The cylinder cavity 2 further include circular shell 12, the left end cap 13 for being seal-installed on 12 both sides of circular shell,
Right end cap 14, the circular piston plate 15 in circular shell 12, pass through at least 3 between the left end cap 13, right end cap 14
Stud bar 16 is fixed, and air inlet is provided with the circular shell 12, and 17 one end of a piston rod is fixed on circular piston plate 15,
The embedded casing 1 of 17 other end of piston rod is interior and is connected with guide pad 8；
The spring cavity 3 further includes cylindrical shell 31, spring 32, spring lever 33 and spring guide block 34, described
The one end opposite with casing 1 of cylindrical shell 31 is provided with end cap 35, and the spring 32 is located in cylindrical shell 31, this spring
32 one end are contacted with end cap 35, and the other end is provided with the spring guide block 34, this spring guide block 34 one end opposite with spring 32
33 one end of the spring lever is connected to, the embedded casing 1 of this 33 other end of spring lever is interior and is connected with guide pad 8, this guide pad 8
Between spring lever 33 and piston rod 17.
Above-mentioned 16 number of stud bar is 4, is circumferentially arranged at equal intervals.
Above-mentioned guide copper sleeve 10 is square guide copper sleeve.
During using above-mentioned efficient shift fork type pneumatic actuator, shift fork both sides are symmetrically provided with left hand projection portion, the right side thereafter
Side lobe, each upper surface is in 90 ° for this left hand projection portion, right side lobe, is provided with convex with left side respectively in the casing
Play portion, the left block of right side raised portion fits, right block, when after shift fork be in first state when, left hand projection portion and left gear
Block contact, when after shift fork be in the second state when, right side lobe is contacted with right block；Be conducive to controlling what is opened and closed
Between accurate switching, it is to avoid close and open insufficient situation, decrease the wear-resisting loss between part, extend
Actuator service life；Secondly, connecting rod can be rotated around connecting rod by one with front shift fork and the respective guide groove of rear shift fork
Guide copper sleeve connection, rotor is connected by copper sheathing ring with casing, and slide bar outer surface is set with a horizontal copper sleeve, satisfaction
The needs of high pulling torque transmission, improve piston rod and pull-fork assembly motion reliability, transmission efficiency, are not increasing shift fork torque arm length
In the case of, realize the output of high pulling torque.
Above-described embodiment only to illustrate technology design of the present utility model and feature, its object is to allow and be familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes made according to this utility model spirit or modification, should all cover protection domain of the present utility model it
It is interior.
Claims (1)
1. a kind of efficient shift fork type pneumatic actuator, it is characterised in that：Including casing（1）, cylinder cavity（2）With spring cavity
（3）, the cylinder cavity（2）It is seal-installed on casing（1）Side, the spring cavity（3）It is installed on casing（1）It is another
Side, the casing（1）Rotor is provided with inside（4）, this rotor（4）Front end, rear end be respectively embedded into casing（1）Before
Plate, back plate be each in through hole, the rotor（4）Outer surface is provided with front shift fork before and after vertically（5）With rear shift fork
（6）, a connecting rod（7）Through guide pad（8）And connecting rod（7）Two ends are respectively embedded into the front shift fork（5）With rear shift fork（6）Respectively
From guide groove（9）It is interior, this connecting rod（7）With front shift fork（5）With rear shift fork（6）Respective guide groove（9）Can be around connection by one
Bar（7）The guide copper sleeve of rotation（10）Connection, a slide bar（11）Run through guide pad in left-right direction（8）And it is installed on casing（1）
On, the rear shift fork（6）Both sides are symmetrically provided with left hand projection portion（191）, right side lobe（192）, this left hand projection portion
（191）, right side lobe（192）Each upper surface is in 90 °, the casing（1）Inside be provided with respectively with left hand projection portion
（191）, right side lobe（192）The left block for coordinating（201）, right block（202）, when after shift fork（6）In first state when
Wait, left hand projection portion（191）With left block（201）Contact, when after shift fork（6）In the second state when, right side lobe
（192）With right block（202）Contact；
The cylinder cavity（2）Further include circular shell（12）, be seal-installed on circular shell（12）The left end cap of both sides
（13）, right end cap（14）, positioned at circular shell（12）Interior circular piston plate（15）, the left end cap（13）, right end cap（14）
Between pass through at least 3 stud bars（16）It is fixed, the circular shell（12）On be provided with air inlet, a piston rod（17）One end
It is fixed on circular piston plate（15）On, piston rod（17）The other end is embedded in casing（1）Interior and and guide pad（8）Connection；
The spring cavity（3）Further include cylindrical shell（31）, spring（32）, spring lever（33）With spring guide block
（34）, the cylindrical shell（31）With casing（1）Opposite one end is provided with end cap（35）, the spring（32）Positioned at cylinder
Shape housing（31）It is interior, this spring（32）One end and end cap（35）Contact, the other end are provided with the spring guide block（34）, this spring
Guide block（34）With spring（32）Opposite one end is connected to the spring lever（33）One end, this spring lever（33）The other end is embedded in case
Body（1）Interior and and guide pad（8）Connection, this guide pad（8）Positioned at spring lever（33）And piston rod（17）Between；The stud bar
（16）Number is 4, is circumferentially arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720664.XU CN206093151U (en) | 2016-07-11 | 2016-07-11 | High -efficient shifting fork type pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620720664.XU CN206093151U (en) | 2016-07-11 | 2016-07-11 | High -efficient shifting fork type pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206093151U true CN206093151U (en) | 2017-04-12 |
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ID=58465931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620720664.XU Active CN206093151U (en) | 2016-07-11 | 2016-07-11 | High -efficient shifting fork type pneumatic actuator |
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| Country | Link |
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| CN (1) | CN206093151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952954A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Efficient poking fork type pneumatic actuator |
-
2016
- 2016-07-11 CN CN201620720664.XU patent/CN206093151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952954A (en) * | 2016-07-11 | 2016-09-21 | 苏州博合雅工程材料科技有限公司 | Efficient poking fork type pneumatic actuator |
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